09/10/27 01:47:59 /oRPvRqpO
すみません、どう訳せばいいのかまったくわからないので、訳していただけませんでしょうか。
よろしくお願いいたします。
The failure of the average man is due, not to lack of ability, but to lack of ability to concentrate, to extend all his energy in the cultivation of one marked talent, instead of scattering his efforts on four or five possibilities.